desc_issuer: British Guiana desc_year: 1862 desc_denom: 4c Related descs: issuer=British Guiana-1861-1c issuer=British Guiana-1863 Not used by any overprinted stamps. Used by 1 (0 visible) image: See images as array Matches 2 types: British Guiana postage 1862 4c bl d=seal of British Guiana (1860) paper=thin British Guiana postage 9/1862 4c blk pc=bl d=no design imperf |